CN102839953B - A kind of pressure test controls the method injecting flow - Google Patents
A kind of pressure test controls the method injecting flow Download PDFInfo
- Publication number
- CN102839953B CN102839953B CN201110171720.0A CN201110171720A CN102839953B CN 102839953 B CN102839953 B CN 102839953B CN 201110171720 A CN201110171720 A CN 201110171720A CN 102839953 B CN102839953 B CN 102839953B
- Authority
- CN
- China
- Prior art keywords
- intelligent watering
- watering device
- water
- layer
- water nozzle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention provides a kind of method that pressure test controls to inject flow, belong to petroleum gas field.Described method carrys out regulation and control layered waterflooding quantity by pressure after the mouth measured and control intelligent watering device in separate water injection well.Utilize the present invention can complete layering water distribution task by wireless remote control, without the need to carrying out traditional wire Launching and Bailing allotment, having saved labour hour and construction cost, having improve the efficiency of layering allotment; Utilizing the present invention, adjust layer construction technology simple to operate, is a kind of efficient, the layering decreasing water distribution method that advanced, success rate is high.
Description
Technical field
The invention belongs to petroleum gas field, be specifically related to a kind of method that pressure test controls to inject flow.
Background technology
In prior art, the patent No. be 200810064336.9 patent discloses a kind of electromagnetical linearly adjusted flux device for down-hole injection-production, this device is that the device adopting steel wire one can be produced electromagnetic oscillation ripple sends into well section needed for down-hole, utilize the coding that ground presets, adopt note flow apparatus by transmission of electromagnetic signals instruction to down-hole to regulate, thus realize the control of water injection rate size.But this device has following deficiency:
(1) use puffer to remove the mode of steel wire, need to install lubricator before construction, therefore workload is large, and the engineering time is long, and there is potential safety hazard;
(2) volume of electromagnetic launcher is little, lightweight, and down-hole pressure is large again, brings difficulty to transferring of instrument;
(3) for the well that hole condition is not good, steel wire removes may encounter the situation that is hampered, and can not complete the adjustment to down-hole note sampled-current amount, only take work measure, trip out downhole hardware, cause unnecessary construction, add construction cost for this situation.
(4) when surface pipeline network system water injection pressure changes, downhole water flow regulator can not adjust in time automatically, is difficult to the water injection rate of stable injection allocation requirement.
Summary of the invention
The object of the invention is to solve the difficult problem existed in above-mentioned prior art, a kind of pressure test is provided to control to inject the method for flow, by to measure and pressure regulates and Based Intelligent Control layering water injection rate after controlling injection well downhole flow regulator mouth, the realization of whole method can not use steel wire completely, only need send compression wave (or throwing in electronic tag) from well head, water injection well layering water distribution process can be completed, and when water injection pressure changes, automatically adjust to injection allocation requirement in time, ensure water filling quality.
The present invention is achieved by the following technical solutions:
Pressure test controls to inject the method for flow, and described method carrys out regulation and control layered waterflooding quantity by pressure after the mouth measured and control intelligent watering device in separate water injection well;
Described method adjusts the aperture of the water nozzle of each layer intelligent watering device first successively, ground water injecting pump pump pressure is stablized, and make the stability of flow of ground water filling in the prewired beam amount of each layer, now record and force value after storing this water nozzle aperture and the mouth under this water nozzle aperture; The water nozzle aperture that after the mouth recorded, force value is just fixing with one and actual water injection rate corresponding; When formal seperated layer water injection, each layer intelligent watering device adjusts the aperture corresponding with force value after mouth that its water nozzle reaches recorded automatically, and now the water injection rate of each layer namely reaches the injection allocation amount of engine request automatically;
After described mouth pressure refer to intelligent watering device water nozzle adjustment after pressure, i.e. the actual injection pressure in stratum.
Said method comprising the steps of:
(1) original state of each layer intelligent watering device is closed condition, from ground by the mode sending pressure pulse or throwing electronic tag, sends enabled instruction to first floor intelligent watering device;
(2) send adjustment instruction to first floor intelligent watering device, first floor intelligent watering device controls the water nozzle of first floor intelligent watering device, regulates the aperture size of water nozzle gradually after receiving adjustment instruction; Meanwhile, the injection flow of adjustment ground water injecting pump, makes its injection flow be stabilized in prewired beam amount;
(3) send to first floor intelligent watering device and store instruction, first floor intelligent watering device receives and stores after instruction, records and force value after storing this water nozzle aperture and the mouth under this water nozzle aperture;
(4) send out code, close the water nozzle of first floor intelligent watering device;
(5) send enabled instruction to second layer intelligent watering device, then the process identical with step (2) to (4) is carried out to second layer intelligent watering device;
(6) successively the process identical with step (5) is carried out to remaining each layer intelligent watering device, if this layer is last one deck, does not then need to send out out code, but keep the aperture state of its water nozzle constant;
(7) reminiscence instruction is sent to each layer intelligent watering of other except last one deck device, after these intelligent watering devices receive reminiscence instruction, control water nozzle aperture when its respective water nozzle returns to force value after the mouth of record, now the water nozzle of all intelligent watering devices is all adjusted to the aperture realized needed for the prewired beam amount of each layer;
(8) by the water injection rate of all layer mixed water injections, water filling is carried out to down-hole by ground water injecting pump, complete the overall process that pressure test controls to inject flow.
Compared with prior art, the invention has the beneficial effects as follows:
(1) utilize the present invention can complete layering water distribution task by wireless remote control, without the need to carrying out traditional wire Launching and Bailing allotment, having saved labour hour and construction cost, having improve the efficiency of layering allotment;
(2) utilize the present invention, adjust layer construction technology simple to operate, construction safety, operating cost is low, and success rate is high, can solve the various defects that prior art exists comprehensively, is a kind of efficient, the layering decreasing water distribution method that advanced, success rate is high.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the embodiment of the inventive method.
Detailed description of the invention
Pressure test controls to inject the method for flow, and described method carrys out regulation and control layered waterflooding quantity by pressure after the mouth measured and control intelligent watering device in separate water injection well;
Described method adjusts the aperture of the water nozzle of each layer intelligent watering device first successively, ground water injecting pump pump pressure is stablized, and make the stability of flow of ground water filling in the prewired beam amount of each layer, now record and force value after storing this water nozzle aperture and the mouth under this water nozzle aperture; The water nozzle aperture that after the mouth recorded, force value is just fixing with one and actual water injection rate corresponding; When formal seperated layer water injection, each layer intelligent watering device adjusts the aperture corresponding with force value after mouth that its water nozzle reaches recorded automatically, and now the water injection rate of each layer namely reaches the injection allocation amount of engine request automatically;
After described mouth pressure refer to intelligent watering device water nozzle adjustment after pressure, i.e. the actual injection pressure in stratum.
Need the water injection well of layering water distribution below in conjunction with accompanying drawing for one three layers, the present invention be described in further detail:
As shown in Figure 1, ZP1, ZP2 and ZP3 are three cover intelligent watering devices, and the intelligent watering work of formation 1,2,3 is responsible for respectively by three grades of intelligent watering devices, separated between adjacent two intelligent watering devices by packer 10.Now need formation to carry out water filling, design need be respectively Q to the water injection rate on 1,2,3 stratum
join 1, Q
join 2, Q
join 3.Method of the present invention is utilized to comprise the following steps to control each layer water injection rate:
The original state of (1) three layer of intelligent watering device is closed condition, the ground mode sending pressure pulse or throwing electronic tag, and the microprocessor to first floor intelligent watering device ZP1 sends the enabled instruction preset;
(2) microprocessor to first floor intelligent watering device ZP1 sends adjustment instruction, after the microprocessor of first floor intelligent watering device ZP1 receives and adjusts instruction, the water nozzle 4 of first floor intelligent watering device ZP1 is constantly controlled, regulates the aperture size of water nozzle 4 gradually; Meanwhile, ground water injecting pump injects stratum with prewired beam amount through this water nozzle 4, and when water nozzle is in a certain aperture, ground water injecting pump pump pressure and flow will be stabilized in prewired beam amount Q
join 1;
(3) first floor intelligent watering device ZP1 reaches prewired beam amount Q
join 1after, ground sends and stores instruction to the microprocessor of first floor intelligent watering device ZP1, microprocessor receives to store and to record after instruction and to store down water nozzle aperture at this moment, and under this water nozzle aperture size the entrance, first floor stratum that pressure tester records mouth after force value (P
after mouth 1) 5;
(4) send from well head the water nozzle 4 that first floor intelligent watering device ZP1 is closed in out code;
(5) send enabled instruction to second layer intelligent watering device ZP2, then the process identical with step (2) to (4) is carried out to second layer intelligent watering device ZP2; In Fig. 1, the water nozzle of second layer intelligent watering device ZP2 is labeled as 7, and its prewired beam amount is Q
join 2, force value (P after mouth
after mouth 2) be 6;
(6) send out enabled instruction to third layer intelligent watering device ZP3, then the process identical with step (2) to (3) is carried out to third layer intelligent watering device ZP3, and keep the aperture state of water nozzle 9 constant; In Fig. 1, the water nozzle of third layer intelligent watering device ZP2 is labeled as 9, and its prewired beam amount is Q
join 3, force value (P after mouth
after mouth 3) be 8;
(7) reminiscence instruction is sent to the two-layer intelligent watering device of ZP1, ZP2 from well head, after the microprocessor of this two-layer intelligent watering device receives reminiscence instruction, control water nozzle aperture when its respective water nozzle returns to force value after the mouth of record, now the water nozzle of three grades of intelligent watering devices is all adjusted to the aperture realized needed for the prewired beam amount of each layer;
(7) by the water injection rate of three layers of mixed water injection, water filling is carried out to down-hole by ground water injecting pump, complete the overall process that pressure test controls to inject flow.
For needing the ground number of plies of layering water distribution greater or less than three layers, adopt same step, when formally starting layering water distribution, send reminiscence instruction, for each certain layer position completing force value record after the corresponding mouth of prewired beam amount, the microprocessor of the downhole intelligent injection well downhole flow regulator of respective layer position constantly controls adjustable water nozzle and changes its aperture size, after making the mouth of entrance, stratum force value close to or record pressure before equaling, then layer position injection rate now close to or equal prewired beam amount, complete the Based Intelligent Control to each layer injection rate.
The present invention is in conjunction with microprocessor transmission negative pressure pulse ripple (or throw electronic tag) control instruction of the program control generator of existing well head pressure pulse to downhole intelligent injection well downhole flow regulator, when seperated layer water injection, according to pressure after the mouth that memory storage is got off, after instruction received by microprocessor, control water nozzle automatically adjust to pressure therewith under corresponding aperture, realize the Based Intelligent Control of water injection rate.
Technique scheme is one embodiment of the present invention, for those skilled in the art, on the basis that the invention discloses application process and principle, be easy to make various types of improvement or distortion, and the method be not limited only to described by the above-mentioned detailed description of the invention of the present invention, therefore previously described mode is just preferred, and does not have restrictive meaning.
Claims (1)
1. control to inject the method for flow with pressure test, it is characterized in that: described method carrys out regulation and control layered waterflooding quantity by pressure after the mouth measured and control intelligent watering device in separate water injection well;
Described method adjusts the aperture of the water nozzle of each layer intelligent watering device first successively, ground water injecting pump pump pressure is stablized, and make the stability of flow of ground water filling in the prewired beam amount of each layer, now record and force value after storing this water nozzle aperture and the mouth under this water nozzle aperture; The water nozzle aperture that after the mouth recorded, force value is just fixing with one and actual water injection rate corresponding; When formal seperated layer water injection, each layer intelligent watering device adjusts the aperture corresponding with force value after mouth that its water nozzle reaches recorded automatically, and now the water injection rate of each layer namely reaches the injection allocation amount of engine request automatically;
After described mouth pressure refer to intelligent watering device water nozzle adjustment after pressure, i.e. the actual injection pressure in stratum; Said method comprising the steps of:
(1) original state of each layer intelligent watering device is closed condition, from ground by the mode sending pressure pulse or throwing electronic tag, sends enabled instruction to first floor intelligent watering device;
(2) send adjustment instruction to first floor intelligent watering device, first floor intelligent watering device controls the water nozzle of first floor intelligent watering device, regulates the aperture size of water nozzle gradually after receiving adjustment instruction; Meanwhile, the injection flow of adjustment ground water injecting pump, makes its injection flow be stabilized in prewired beam amount;
(3) send to first floor intelligent watering device and store instruction, first floor intelligent watering device receives and stores after instruction, records and force value after storing this water nozzle aperture and the mouth under this water nozzle aperture;
(4) send out code, close the water nozzle of first floor intelligent watering device;
(5) send enabled instruction to second layer intelligent watering device, then the process identical with step (2) to (4) is carried out to second layer intelligent watering device;
(6) successively the process identical with step (5) is carried out to remaining each layer intelligent watering device, if this layer is last one deck, does not then need to send out out code, but keep the aperture state of its water nozzle constant;
(7) reminiscence instruction is sent to each layer intelligent watering of other except last one deck device, after these intelligent watering devices receive reminiscence instruction, control water nozzle aperture when its respective water nozzle returns to force value after the mouth of record, now the water nozzle of all intelligent watering devices is all adjusted to the aperture realized needed for the prewired beam amount of each layer;
(8) by the water injection rate of all layer mixed water injections, water filling is carried out to down-hole by ground water injecting pump, complete the overall process that pressure test controls to inject flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110171720.0A CN102839953B (en) | 2011-06-24 | 2011-06-24 | A kind of pressure test controls the method injecting flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110171720.0A CN102839953B (en) | 2011-06-24 | 2011-06-24 | A kind of pressure test controls the method injecting flow |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102839953A CN102839953A (en) | 2012-12-26 |
| CN102839953B true CN102839953B (en) | 2015-08-05 |
Family
ID=47367645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110171720.0A Active CN102839953B (en) | 2011-06-24 | 2011-06-24 | A kind of pressure test controls the method injecting flow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102839953B (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075136B (en) * | 2013-01-10 | 2015-09-23 | 中国海洋石油总公司 | A kind of control device for water injection well laminated distributor under well flow |
| CN106121598A (en) * | 2016-06-30 | 2016-11-16 | 中国石油化工股份有限公司 | Oil well delamination production fluid measure and control test device |
| CN106150460B (en) * | 2016-08-25 | 2020-02-07 | 中国石油天然气股份有限公司 | Water injection well layered measurement and adjustment process device and measurement and adjustment method thereof |
| CN108222903B (en) * | 2017-10-24 | 2020-12-22 | 中国石油化工股份有限公司 | Downhole flow metering device and method for separate-zone water injection well |
| CN108121369B (en) * | 2017-12-20 | 2023-10-27 | 中国石油天然气股份有限公司 | Intelligent water injection remote control device and method |
| CN108266155A (en) * | 2018-01-12 | 2018-07-10 | 中国石油天然气股份有限公司 | Blowout prevention pipe column in water injection well operation pipe and blowout prevention process |
| CN108374654B (en) * | 2018-03-27 | 2023-12-26 | 中国石油天然气股份有限公司 | Intelligent water distribution device for high-pressure well and process method |
| CN108868713A (en) * | 2018-05-30 | 2018-11-23 | 中国石油天然气股份有限公司 | Split-layer flow self-learning control method |
| CN110094189B (en) * | 2019-05-21 | 2024-06-25 | 深圳市新爱达自动化仪表有限公司 | Control method of intelligent injection allocation device of manipulator in oilfield injection room |
| CN112211603B (en) * | 2019-07-12 | 2023-02-10 | 中国石油天然气股份有限公司 | Stratified water injection system and control method thereof |
| CN112096355A (en) * | 2020-08-04 | 2020-12-18 | 南京南大数字科技有限责任公司 | Method for realizing intelligent separate injection by utilizing water nozzle opening degree in layered water injection |
| CN114810044A (en) * | 2022-04-15 | 2022-07-29 | 中国石油化工股份有限公司 | Device and method for qualitatively determining layered water absorption capacity of water injection well |
| CN115012888B (en) * | 2022-07-14 | 2024-05-17 | 东方宝麟科技发展(北京)有限公司 | Separate layer water injection method and separate layer water injection device of underground flowmeter |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1261669C (en) * | 2002-12-19 | 2006-06-28 | 大庆油田有限责任公司 | Layering injection amount and layering pressure test-free storage direct-reading method |
| CN2752437Y (en) * | 2004-12-09 | 2006-01-18 | 中国石油天然气股份有限公司 | Ground water distributor |
| CN101135241A (en) * | 2006-08-29 | 2008-03-05 | 安占中 | Gradually varied flow pressure-reading process injection water well flow allocation technique |
| CN101649733B (en) * | 2009-09-04 | 2012-09-19 | 中国石油化工股份有限公司胜利油田分公司采油工艺研究院 | Concentric type integrated test modification water injection technology and device |
| CN201738908U (en) * | 2010-06-18 | 2011-02-09 | 杨忠芳 | Water distributing device with ultrasonic measurement and control |
-
2011
- 2011-06-24 CN CN201110171720.0A patent/CN102839953B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN102839953A (en) | 2012-12-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102839953B (en) | A kind of pressure test controls the method injecting flow | |
| CN102839954B (en) | A kind of pressure pulse realizes the method for layering water distribution | |
| CN109025926B (en) | Centralized control type intelligent separate-layer water injection string and regulation and control system | |
| CN108374654A (en) | Intelligent water distribution device for high-pressure well and process method | |
| CA2705643C (en) | Optimization of solvent-dominated recovery | |
| CN110067540A (en) | Realize that dispensing surveys the system for adjusting log signal transmitting | |
| CN106050201A (en) | Cableless layering water injection method capable of achieving downhole flow, pressure and temperature monitoring | |
| CN103321627A (en) | Fracturing pulse sand filling system with ultrahigh flow conductivity and method for operating fracturing pulse sand filling system | |
| CN110111550A (en) | Water injection well fluid carrier signal control method and device | |
| CN104712300A (en) | Fracturing construction pitching device and pitching method thereof | |
| CN202148890U (en) | Device for producing pressure pulse at wellhead of water injection well | |
| CN108756838A (en) | Cable-embedded nonmetal continuous pipe measurement and control layered water injection system and operation method thereof | |
| CN109723406A (en) | A kind of method of oilfield horizontal well ball-throwing type sliding sleeve block switch | |
| CN107630689A (en) | Ground controls time-sharing layered water-filling method and cable control water dispensing apparatus and its application method | |
| CN103968252A (en) | Alcohol injection process method for medium and low pressure natural gas collection | |
| US6142229A (en) | Method and system for producing fluids from low permeability formations | |
| CN101864935A (en) | Technique of carbon dioxide compound multi-term flood for reforming oil layer by oil blockage layer crack | |
| CN100422504C (en) | Method of regulating layered water distribution using pressure wave | |
| CN109931040A (en) | Remote intelligent control system and method for separate injection well | |
| CN105569622A (en) | Underground layering pressure-regulating water injection process pipe string | |
| CN111368463A (en) | Horizontal well cross-layer fracturing design method | |
| CN205154147U (en) | Gaseous spike agent injection device | |
| CN109184639A (en) | Ground control device for water injection well fluid wave code communication signal | |
| CN208236397U (en) | Carbon dioxide injection device of the single pump based on parallel valve group separate system to more wells | |
| CN208203248U (en) | Intelligent water distribution device for high-pressure well |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |